2002
DOI: 10.1590/s0100-41582002000100007
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Incidência e índice de doença do mosaico do trigo em cereais de inverno e em gramíneas de verão, associados ao Polymyxa graminis

Abstract: Incidence and disease index of Soil-borne wheat mosaic virus on winter cereals and summer grasses associated with the fungus Polymyxa graminisThe Soil-borne wheat mosaic virus (SBWMV) is transmitted by the fungus Polymyxa graminis. To evaluate the incidence and the disease index (DI%) and the presence of the vector in the root system, an experiment was carried out using: oat (Avena strigosa and A. sativa), barley (Hordeum vulgare), triticale (Triticum secale), wheat (Triticum aestivum), Lilium multiforum, mayz… Show more

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Cited by 8 publications
(6 citation statements)
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References 13 publications
(9 reference statements)
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“…The presence of P. graminis in the roots of wheat plants with SBWMD symptoms has been reported in Brazil by Caetano et al (1971), Pierobom et al (1972) and Dalbosco et al (2002a). Polymyxa graminis is an obligate root parasite of several temperate grasses and represents a significant threat to agriculture due to its ability to transmit viruses of agronomic importance, including SBWMV.…”
Section: Introductionmentioning
confidence: 79%
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“…The presence of P. graminis in the roots of wheat plants with SBWMD symptoms has been reported in Brazil by Caetano et al (1971), Pierobom et al (1972) and Dalbosco et al (2002a). Polymyxa graminis is an obligate root parasite of several temperate grasses and represents a significant threat to agriculture due to its ability to transmit viruses of agronomic importance, including SBWMV.…”
Section: Introductionmentioning
confidence: 79%
“…() and Dalbosco et al . (). Polymyxa graminis is an obligate root parasite of several temperate grasses and represents a significant threat to agriculture due to its ability to transmit viruses of agronomic importance, including SBWMV.…”
Section: Introductionmentioning
confidence: 97%
“…O vírus é transmitido naturalmente às plantas quando ocorre a colonização do sistema radicular do sistema radicular pelo vetor P. graminis. O trigo é a principal espécie hospedeira do vírus, mas outras espécies de gramíneas como a cevada, o centeio e o triticale também são relatadas como hospedeiras no Brasil (CAETA-NO 1982b;DALBOSCO et al 2002a;STEMPKOWSKI et al 2020). Experimentalmente, algumas espécies da família Chenopodiaceae podem ser infectadas (CAETANO 1982b).…”
Section: Epidemiologiaunclassified
“…Entretanto, a rotação de culturas não elimina a doença e plantas infectadas podem ser encontradas em parcelas sob rotação. Acredita-se que em sistemas de rotação de culturas, espécies não hospedeiras do vírus como as aveias, por exemplo, podem hospedar o vetor (DALBOSCO et al 2002a), mas produzem zoósporos livres de vírus, resultando em redução do inóculo no campo (STEMPKOWSKI et al 2020).…”
Section: Manejounclassified
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